FI110832B - Menetelmä ja laite pitkittäisten signaalikomponenttien poikkeaman määr ittämiseksi ennalta määrätystä arvosta - Google Patents

Menetelmä ja laite pitkittäisten signaalikomponenttien poikkeaman määr ittämiseksi ennalta määrätystä arvosta Download PDF

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Publication number
FI110832B
FI110832B FI971008A FI971008A FI110832B FI 110832 B FI110832 B FI 110832B FI 971008 A FI971008 A FI 971008A FI 971008 A FI971008 A FI 971008A FI 110832 B FI110832 B FI 110832B
Authority
FI
Finland
Prior art keywords
voltage
deviation
signal components
wire
difference
Prior art date
Application number
FI971008A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI971008A (fi
FI971008A0 (fi
Inventor
Hans Oskar Eriksson
Carl-Henrik Joergen Malmgren
Elisabeth Maria Larsson
Henrik Hellberg
Original Assignee
Ericsson Telefon Ab L M
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of FI971008A publication Critical patent/FI971008A/fi
Publication of FI971008A0 publication Critical patent/FI971008A0/fi
Application granted granted Critical
Publication of FI110832B publication Critical patent/FI110832B/fi

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/005—Interface circuits for subscriber lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/001—Current supply source at the exchanger providing current to substations
    • H04M19/005—Feeding arrangements without the use of line transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Measuring Magnetic Variables (AREA)
FI971008A 1994-09-20 1997-03-11 Menetelmä ja laite pitkittäisten signaalikomponenttien poikkeaman määr ittämiseksi ennalta määrätystä arvosta FI110832B (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
SE9403152A SE502493C2 (sv) 1994-09-20 1994-09-20 Förfarande och anordning för att bestämma longitudinella signalkomponenters avvikelse från ett förutbestämt värde
SE9403152 1994-09-20
PCT/SE1995/001052 WO1996009711A1 (en) 1994-09-20 1995-09-18 Method and apparatus for determining the deviation of longitudinal signal components from a predetermined value
SE9501052 1995-09-18

Publications (3)

Publication Number Publication Date
FI971008A FI971008A (fi) 1997-03-11
FI971008A0 FI971008A0 (fi) 1997-03-11
FI110832B true FI110832B (fi) 2003-03-31

Family

ID=20395304

Family Applications (1)

Application Number Title Priority Date Filing Date
FI971008A FI110832B (fi) 1994-09-20 1997-03-11 Menetelmä ja laite pitkittäisten signaalikomponenttien poikkeaman määr ittämiseksi ennalta määrätystä arvosta

Country Status (11)

Country Link
US (1) US5960076A (ko)
EP (1) EP0792549B1 (ko)
JP (1) JPH10505986A (ko)
KR (1) KR100378515B1 (ko)
CN (1) CN1078417C (ko)
AU (1) AU3581295A (ko)
CA (1) CA2200178A1 (ko)
DE (1) DE69532418T2 (ko)
FI (1) FI110832B (ko)
SE (1) SE502493C2 (ko)
WO (1) WO1996009711A1 (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE519314C2 (sv) * 2001-06-21 2003-02-11 Ericsson Telefon Ab L M Anordning för överströmsskydd av linjedrivare
CN102944714B (zh) * 2012-11-07 2015-07-08 四川和芯微电子股份有限公司 差分信号检测装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1255026A (en) * 1986-12-24 1989-05-30 Mitel Corporation Dc control circuit
JPH0671295B2 (ja) * 1987-04-06 1994-09-07 沖電気工業株式会社 加入者線給電回路
US4910768A (en) * 1988-08-02 1990-03-20 The Inteleplex Corporation Automatic balancing circuit for longitudinal transmission system
JPH0568120A (ja) * 1991-09-05 1993-03-19 Fujitsu Ltd 給電回路

Also Published As

Publication number Publication date
KR100378515B1 (ko) 2003-06-09
EP0792549B1 (en) 2004-01-07
WO1996009711A1 (en) 1996-03-28
FI971008A (fi) 1997-03-11
AU3581295A (en) 1996-04-09
SE9403152D0 (sv) 1994-09-20
CA2200178A1 (en) 1996-03-28
SE9403152L (sv) 1995-10-30
SE502493C2 (sv) 1995-10-30
DE69532418D1 (de) 2004-02-12
DE69532418T2 (de) 2004-12-02
EP0792549A1 (en) 1997-09-03
JPH10505986A (ja) 1998-06-09
FI971008A0 (fi) 1997-03-11
CN1078417C (zh) 2002-01-23
CN1158197A (zh) 1997-08-27
US5960076A (en) 1999-09-28

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